Finding the Fourth Proportional to 204,221.68, 306,332.64 and 63,991.28
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Solution
The fourth proportional to 204,221.68, 306,332.64 and 63,991.28 is: 95,986.96
Step by Step Solution
- Step 1: Write the proportion equation
204,221.68 : 306,332.64 = 63,991.28 : x - Step 2: Convert to fraction form
204,221.68/306,332.64 = 63,991.28/x - Step 3: Cross multiply
204,221.68x = 306,332.64 × 63,991.28 - Step 4: Simplify right side
204,221.68x = 19,602,617,739.38 - Step 5: Solve for x
x = 19,602,617,739.38/204,221.68 - Step 6: Final answer
x = 95,986.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.